WebJan 5, 2024 · Bivalves have a right valve and left valve. When the exterior of a bivalve shell is oriented with its hinge and umbo (and beak) upward and its commissure (valve-opening margin) downward, and the umbo (and beak) farther away from you (dorsal-anterior side of the shell), the right valve is on your right side, and the left valve is on the left side. WebAug 26, 2024 · Bivalves are a common group of animals. They occur in all aquatic habitats, however by far the majority of species are marine. Bivalves are known by a variety of common names, depending on species, or species group; Clams, Cockles, Fan Shells, Mussels, Oysters, Scallops and Shipworms are all species of bilvalves.
Mussel Species Identification: Glossary of Terms AMNH
WebBivalve - a laterally compressed mollusk with 2 valves (2 "half-shells"). Brood pouches (see also: Gill pouches ) - vertically partitioned interlamellar space used by some bivalves as … WebBivalves are ideal animals for aquaculture: they are herbivores requiring no additional feeding apart from the natural algae content of seawater and generally minimum … hlr pacemaker
Bivalves Flashcards Quizlet
Bivalves have bilaterally symmetrical and laterally flattened bodies, with a blade-shaped foot, vestigial head and no radula. At the dorsal or back region of the shell is the hinge point or line, which contain the umbo and beak and the lower, curved margin is the ventral or underside region. The anterior or front of the shell is where the byssus (when present) and foot are located, and the posterior of the shell is where the siphons are located. With the hinge uppermost and with the a… WebMar 23, 2024 · Bivalves are a type of sea mollusk and are closely related to other types of mollusks, such as squid, octopuses, snails and slugs. However, the official bivalve … WebBivalves generally are known as creatures that almost never move. That is not entirely accurate. Many mussel species that are absolutely sessile as adults, may move around as juveniles. Even the adults, though usually sessile, may move, when necessary. hlr media